Innopolis Open 2024. Qualification Round 2

5 problems from Innopolis Open 2024. Qualification Round 2 (contest 104879), difficulty -. 5/5 solutions verified against sample I/O.

5 items

Innopolis Open 2024. Qualification Round 2

Special | 5 problems | 5/5 verified | Difficulty - | 3m 51s

# Problem Rating Tags Accepted Time ✓
A Coffee Cocktail 46s ✓
B Fraction Conversion 43s ✓
C Public Transportation 48s ✓
D Restore Permutation 51s ✓
E DequeQL 43s ✓
Practice › Codeforces Solutions › Innopolis Open 2024. Qualification Round 2 ›

CF 104879B - Fraction Conversion

We are given a number written in a mixed representation that looks like an integer part followed by a fractional part that may have a repeating pattern.
codeforces competitive-programming Jun 28, 2026
Practice › Codeforces Solutions › Innopolis Open 2024. Qualification Round 2 ›

CF 104879D - Restore Permutation

We are given a hidden permutation of numbers from 1 to n. The interaction model is that we get some encoded information about this permutation, and in the second phase we receive another permutation that differs from the original in a very restricted way.
codeforces competitive-programming Jun 28, 2026
Practice › Codeforces Solutions › Innopolis Open 2024. Qualification Round 2 ›

CF 104879E - DequeQL

We are dealing with a dynamic system of nested deques. Each deque can contain other deques, forming a rooted structure that changes over time.
codeforces competitive-programming Jun 28, 2026
Practice › Codeforces Solutions › Innopolis Open 2024. Qualification Round 2 ›

CF 104879C - Public Transportation

We are given a grid of integers where each cell represents a value assigned to a point on a rectangular board. The task is to count certain geometric configurations formed by three cells, which we can think of as “triangles” aligned with the grid.
codeforces competitive-programming Jun 28, 2026
Practice › Codeforces Solutions › Innopolis Open 2024. Qualification Round 2 ›

CF 104879A - Coffee Cocktail

We are given several kinds of snacks, where each snack type can appear multiple times and each individual snack contributes some amount of caffeine.
codeforces competitive-programming Jun 28, 2026